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Unix

Unix
Which command is used to display a file contents in octal form?

of
cd
oct
od

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Unix
You can append to a file instead of overwriting by using the

< symbols
None of these
> symbols
>> symbols

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Unix
Which symbol is used to separate more than one command in the same command line?

:
$
#
;

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Unix
Which operator will be used with chmod command to assign absolute permission?

+
%
None of these
=
-

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Unix
Which of the following command addresses all users who are currently hooked on?

wall
mesg
write
mail

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Unix
Which commands is used to assign executable permission to all of the files named "letter"?

chmod ugo+rw letter
chmod u+x letter
chmod ugo+x letter
chmod ugo+r letter

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